Cattle feed and process of making same



'25 system being shown asthe Coarse system or after gelatinization, without counteracting to 25 Patented Mai-.5, 1940 Q t I.

UNITED STATES r T- cri ics Alfred H. Kelling, Oak Park, 111., assignor, by

mesne assignments, to Corn Products, Refining Company, New'York, N. Y., a corporation of New Jersey a No Drawing. Application June 25, 1938, Serial No. 215,854

6 Claims. (01. 99 2) This invention relates to the production of cat. low internally steam heated rolls set close enough, tle feed containing starch as an ingredient, for together to exert considerable pressure on the example to the production of cattle feedmade material. With the slop, before or after the from or containing corn slop from the wet starch gelatinizing treatment, is preferably mixed a I I 5 industry which themselves contain a considerable starch conversion product containing starch 5 Percentage of starch; nd the p m ry bj ct o sugar or dextrose together with other conversion the invention is to so treat such starch bearing substances. As cost of materials is an important materials, preferably y g a a n 0 t e consideration in the production of cattle feeds,

- starch, as to increase the water absorption cahydrol, that is, mother liquor or residual corn D y o e e which is d s b e m a disyrup from the crystallization of dextrose or 1 etetic standpoint? The gelatinizeti0hv of t e starch sugar massecuites, is preferably used in starch also increases the digestibility of the feed. this connection. The hydrol is mixed with. the

A further Object of the invention is to p ov de gelatinized slop in suitable proportions and the an inexpensive and nutritious cattle 'feed from mixture dried in any suitable manner. Hydrol corn slop and other constituents of corn. A more dd t the feed, in an inexpensive and unobjecspeeifie Object is to utilize in e p od c o o tionable; form, easily digestible carbohydrates Cattle feed the lily-Products 0f the Co st r which are desirable constituents. It is also posand 00m sugar ysible to add to the feed a considerable portion In preparing h cattle f d accordance wi h of concentrated steep water, that is liquid dethe Present inVehtiOh, p from e W milling rived from the steeping of the corn prior to the 20 starch process, coarse or fine slop, or a mixture milling and separating operations, which liquid of the same, that is the bran and fibers e d contains soluble corn substances of dietary value.

Out Of e starch liquor by means f e systems Steep water can be added to the extent,for exof pp d lk reels r shakers. (the pp r ample of 20%, dry substance basis, either before a d h s as the fi op ste m y be d any considerable extent 'the effect of gelatinizapreferably s used a the Principal ingredient of tion in increasing water absorption capacity.

the feed, although other starch bearing mate- Th following are specific examples of the aprials m y also be mp y .Theslop, ef r or plication of the invention to practice. It will be after it is mixed with the other ingredient d t od th t the operating data here given 30 of ingredients of the feed, is treated to are merely illustrative and informative. The inng b u e s ti or partial vention is not limited to these particulars; latinization of its starch content. Ordinary Ewam 1e 1 fine slop from the starch mixing process will p contain 30% to 40% by weight of starch, dry With three parts by weight, dry substance 35 substance basis, while coarse slop will contain basis, of slop from the wet milling starch process, about 8% to 12%. The protein content'oi fine two parts of which consist of coarse slop and slop is about 10% to 15%, and of coarse'slop one of fine slop, is mixed one part of hydrol at about 1% to 2%; and this ingredient has, of 30 to 42 Baum. The mixture having amoisture 40 course, some food value. content of 45% to 55% is passed between hollow 0 By gelatinization is meant the expansion and cylinders revolving at about three revolutions per ultimate disruption of the starch granules unminute and heated internally by steam to a superder the influence of heat in the presence of waficial temperature of about 290 Fahrenheit. I The ter. The gelatinized starch will have the capacmaterial is then, preferably, dried to about 10% 45 ity of absorbing several times its own weight of moisture. The water absorption capacity of the 45 water. The water absorption capacity is very product will be in the neighborhood of 5 to 1; greatly increased over that of raw starch. The that is, the material will absorb about five times disruption of the starch cells makes the starch its weight of water. more easily digested so that the feed product Exam 1 2 has the characteristic of pre-dig'estibility. p e p A suitable way of gelatinizing the starch in the To the ingredients of Example 1 is added one slop is to cause the slop in a moist condition, part, dry substance basis, of steep water,,at the containing from 30% to 60%, preferably between concentration of the steep water as it comes from 45% and by Weight, of water, to be passed the evaporators. p p

55 over heated surfaces, for example between hol- If the slop ingredient in the above examples 55 consists entirely of fine slop, the water absorption capacity will be about 8 to 1. If coarse slop alone be used, the water absorption capacity will be about 4 to l. Stated otherwise, gelatinization increases the coarse slop Water absorption about 10% to 20%. It increases the fine slop water absorption capacity about 100%. v

The gelatinization of the starch in the slop may be brought about by other methods than pressure between heated rolls, for example, by spray drying the material under temperature conditions to bring about the desired modification of the starch, or by a combination of treatment between heated rolls and spray drying.

It is the intention to claim herein all equivalents and also all modifications within the scope of the appended claims. The term gelatinization is intended to cover a partial as well as a complete disruption of the starch granules.

I claim:

1. Cattle feed consisting principally of corn slop from the manufacture of starch from corn containing, in addition to bran and fibre, starch and some gluten, with the starch in a gelatinized state whereby the water absorption capacity of the product is increased.

2. Cattle feed comprising corn slop from the manufacture of starch from corn, corn syrupancl ,corn steep water, the slop containing, in addition to bran and fibre, starch and some gluten with the starch in a gelatinized state whereby the water absorption capacity of the product is increased.

3. Process of making cattle feed which comprises: mixing corn syrup and corn steep Water with slop from the manufacture of starch from corn to provide a mixture containing %-60% water, by weight, and then passing the mixture between heated rolls to gelatinize the starch in the slop whereby the Water absorption capacity of the feed is increased. 7

,4. Process of making cattle feed which comprises: mixing approximately 3 parts by weight, dry substance basis, of slop from the manufacture of starch from corn with 1 part of hydrol at 30-42 Baum; and passing the mixture, with a moisture content of about %-55%, between heated rolls to gelatinize the starch and dry the material.

5. Process of making cattle feed which comprises subjecting corn slop from the manufacture of starch from corn, said slop having a moisture content of about 45-55%, to starch gelatinizing heat and mechanical pressure to gelatinizethe starch contained therein and adding to said corn slop a starch conversion product containing starch sugar.

6. Process according to claim 5 in which there is added as an ingredient, steep water.

ALFRED H. KELLING. 

